Road structure – process – or apparatus – Pavement – Modules or blocks
Patent
1989-04-14
1990-10-16
Britts, Ramon S.
Road structure, process, or apparatus
Pavement
Modules or blocks
404 44, 52302, 52387, E01C 500
Patent
active
049630547
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to frames for constructing pavement boards which are permeable and mainly made of concrete or mortar.
BACKGROUND ART
At the present time, frames for constructing pavement boards, which are obtained by using frames as a means for constructing pavement boards, by pouring concrete or mortar into the frames, and by hardening the concrete or the mortar with the frames as an element for constructing pavement boards, are not proposed
DISCLOSURE OF INVENTION
The present invention is a frame for constructing pavement boards in which plural sections having the bottom are divided, plural holes for draining water are made in the bottom, plural through holes in the direction of top and bottom are formed at the section walls of the above sections, respectively, the lower sides of the holes are opened and the upper sides of the holes are closed so as to be openable.
The plane configuration, the size of length and breadth, the arrangement of each of the above sections and the like can be freely determined. The suitable height of the frames is nearly the same as the height of common pavement boards.
The suitable breadth of the above section walls is nearly the same or a little wider than the joint breadth of the pavement which is formed by common pavement boards.
The section configuration of the above through holes can be freely determined. Though it is described later, the section configuration of the through holes is preferably short or an oval having enough short minor axis so as to prevent the soil and stone of roads from going into the above through holes when the pavement boards which is constituted by the frames for constructing pavement boards are installed in the fixed pavement zone. Otherwise, the section configuration of the through holes is suitably rectangular
The upper edge of the above through holes can be closed by a closing means having the intensity in which the upper edge is not easy to break when the mortar or the concrete is poured into the sections. Accordingly, for instance, the upper sides of the above through holes are closed by a thin film which is unitedly formed with the frames. Otherwise, the upper sides of the above through holes are closed by applying an adhesion tape which can be freely stripped off or stick on so as to open the upper sides. In any case, the closing of the upper sides of the above through holes may be conducted by a means which can open the upper sides by using simple operations. It is important to use a closing means which is easily openable by a way such as cutting with a file or a knife, melting by heating or tearing off so as to open the upper sides easily.
Preferably, a holding projection which keeps the packed mortar or the concrete after its hardening is provided near the center of the bottom of each of the above sections The upper part of the holding projection is spread out like a disk. Furthermore, at the bottom of each section wall of the above sections, ribs which radially extend from the center are preferably stood so as to reinforce the walls.
Moreover, it is preferable to form male connection parts and female connection parts which are connected with the male connection parts of the frames at the outer side of the frames.
Further, the frames and each of the constitution elements which are constituted in the frames are preferably formed in one united body by suitable plastics
Then, the frames for constructing pavement boards of the present invention are used as follows
Firstly, as described later, it is able to produce permeable pavement boards which are mainly made of concrete or mortar.
In the first process, the above frames are upwardly arranged in a suitable place and mortar or concrete are fully charged from the upper part into each section. Then, for example, a long ruler plate and the like is put on the top of each section wall so as to mediate between the walls, the plate is moved, and the mortar or the concrete protruding from the top of the section walls is removed. Thus, the upper surface of the mo
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patent: 3832078 (1974-08-01), Nakayama
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patent: 4531857 (1985-07-01), Bettigote
patent: 4531859 (1985-07-01), Bettigole
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patent: 4858410 (1989-08-01), Goldman
Britts Ramon S.
Spahn Gay Ann
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